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Message-Id: <20171013124647.32668-43-m@bjorling.me>
Date: Fri, 13 Oct 2017 14:46:31 +0200
From: Matias Bjørling <m@...rling.me>
To: axboe@...com
Cc: linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
Rakesh Pandit <rakesh@...era.com>,
Matias Bjørling <m@...rling.me>
Subject: [GIT PULL 42/58] lightnvm: remove stale extern and unused exported symbols
From: Rakesh Pandit <rakesh@...era.com>
Not all exported symbols are being used outside core and there were
some stale entries in lightnvm.h
Signed-off-by: Rakesh Pandit <rakesh@...era.com>
Signed-off-by: Matias Bjørling <m@...rling.me>
---
drivers/lightnvm/core.c | 129 +++++++++++++++++++++++------------------------
include/linux/lightnvm.h | 7 ---
2 files changed, 64 insertions(+), 72 deletions(-)
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index 231c928..0e5f772 100644
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -226,6 +226,24 @@ static const struct block_device_operations nvm_fops = {
.owner = THIS_MODULE,
};
+static struct nvm_tgt_type *nvm_find_target_type(const char *name, int lock)
+{
+ struct nvm_tgt_type *tmp, *tt = NULL;
+
+ if (lock)
+ down_write(&nvm_tgtt_lock);
+
+ list_for_each_entry(tmp, &nvm_tgt_types, list)
+ if (!strcmp(name, tmp->name)) {
+ tt = tmp;
+ break;
+ }
+
+ if (lock)
+ up_write(&nvm_tgtt_lock);
+ return tt;
+}
+
static int nvm_create_tgt(struct nvm_dev *dev, struct nvm_ioctl_create *create)
{
struct nvm_ioctl_create_simple *s = &create->conf.s;
@@ -549,25 +567,6 @@ void nvm_part_to_tgt(struct nvm_dev *dev, sector_t *entries,
}
EXPORT_SYMBOL(nvm_part_to_tgt);
-struct nvm_tgt_type *nvm_find_target_type(const char *name, int lock)
-{
- struct nvm_tgt_type *tmp, *tt = NULL;
-
- if (lock)
- down_write(&nvm_tgtt_lock);
-
- list_for_each_entry(tmp, &nvm_tgt_types, list)
- if (!strcmp(name, tmp->name)) {
- tt = tmp;
- break;
- }
-
- if (lock)
- up_write(&nvm_tgtt_lock);
- return tt;
-}
-EXPORT_SYMBOL(nvm_find_target_type);
-
int nvm_register_tgt_type(struct nvm_tgt_type *tt)
{
int ret = 0;
@@ -619,6 +618,52 @@ static struct nvm_dev *nvm_find_nvm_dev(const char *name)
return NULL;
}
+static int nvm_set_rqd_ppalist(struct nvm_tgt_dev *tgt_dev, struct nvm_rq *rqd,
+ const struct ppa_addr *ppas, int nr_ppas)
+{
+ struct nvm_dev *dev = tgt_dev->parent;
+ struct nvm_geo *geo = &tgt_dev->geo;
+ int i, plane_cnt, pl_idx;
+ struct ppa_addr ppa;
+
+ if (geo->plane_mode == NVM_PLANE_SINGLE && nr_ppas == 1) {
+ rqd->nr_ppas = nr_ppas;
+ rqd->ppa_addr = ppas[0];
+
+ return 0;
+ }
+
+ rqd->nr_ppas = nr_ppas;
+ rqd->ppa_list = nvm_dev_dma_alloc(dev, GFP_KERNEL, &rqd->dma_ppa_list);
+ if (!rqd->ppa_list) {
+ pr_err("nvm: failed to allocate dma memory\n");
+ return -ENOMEM;
+ }
+
+ plane_cnt = geo->plane_mode;
+ rqd->nr_ppas *= plane_cnt;
+
+ for (i = 0; i < nr_ppas; i++) {
+ for (pl_idx = 0; pl_idx < plane_cnt; pl_idx++) {
+ ppa = ppas[i];
+ ppa.g.pl = pl_idx;
+ rqd->ppa_list[(pl_idx * nr_ppas) + i] = ppa;
+ }
+ }
+
+ return 0;
+}
+
+static void nvm_free_rqd_ppalist(struct nvm_tgt_dev *tgt_dev,
+ struct nvm_rq *rqd)
+{
+ if (!rqd->ppa_list)
+ return;
+
+ nvm_dev_dma_free(tgt_dev->parent, rqd->ppa_list, rqd->dma_ppa_list);
+}
+
+
int nvm_set_tgt_bb_tbl(struct nvm_tgt_dev *tgt_dev, struct ppa_addr *ppas,
int nr_ppas, int type)
{
@@ -792,52 +837,6 @@ void nvm_put_area(struct nvm_tgt_dev *tgt_dev, sector_t begin)
}
EXPORT_SYMBOL(nvm_put_area);
-int nvm_set_rqd_ppalist(struct nvm_tgt_dev *tgt_dev, struct nvm_rq *rqd,
- const struct ppa_addr *ppas, int nr_ppas)
-{
- struct nvm_dev *dev = tgt_dev->parent;
- struct nvm_geo *geo = &tgt_dev->geo;
- int i, plane_cnt, pl_idx;
- struct ppa_addr ppa;
-
- if (geo->plane_mode == NVM_PLANE_SINGLE && nr_ppas == 1) {
- rqd->nr_ppas = nr_ppas;
- rqd->ppa_addr = ppas[0];
-
- return 0;
- }
-
- rqd->nr_ppas = nr_ppas;
- rqd->ppa_list = nvm_dev_dma_alloc(dev, GFP_KERNEL, &rqd->dma_ppa_list);
- if (!rqd->ppa_list) {
- pr_err("nvm: failed to allocate dma memory\n");
- return -ENOMEM;
- }
-
- plane_cnt = geo->plane_mode;
- rqd->nr_ppas *= plane_cnt;
-
- for (i = 0; i < nr_ppas; i++) {
- for (pl_idx = 0; pl_idx < plane_cnt; pl_idx++) {
- ppa = ppas[i];
- ppa.g.pl = pl_idx;
- rqd->ppa_list[(pl_idx * nr_ppas) + i] = ppa;
- }
- }
-
- return 0;
-}
-EXPORT_SYMBOL(nvm_set_rqd_ppalist);
-
-void nvm_free_rqd_ppalist(struct nvm_tgt_dev *tgt_dev, struct nvm_rq *rqd)
-{
- if (!rqd->ppa_list)
- return;
-
- nvm_dev_dma_free(tgt_dev->parent, rqd->ppa_list, rqd->dma_ppa_list);
-}
-EXPORT_SYMBOL(nvm_free_rqd_ppalist);
-
void nvm_end_io(struct nvm_rq *rqd)
{
struct nvm_tgt_dev *tgt_dev = rqd->dev;
diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
index 32ec35b..4f0e4a0 100644
--- a/include/linux/lightnvm.h
+++ b/include/linux/lightnvm.h
@@ -463,8 +463,6 @@ struct nvm_tgt_type {
struct module *owner;
};
-extern struct nvm_tgt_type *nvm_find_target_type(const char *, int);
-
extern int nvm_register_tgt_type(struct nvm_tgt_type *);
extern void nvm_unregister_tgt_type(struct nvm_tgt_type *);
@@ -480,9 +478,6 @@ extern int nvm_set_tgt_bb_tbl(struct nvm_tgt_dev *, struct ppa_addr *,
extern int nvm_max_phys_sects(struct nvm_tgt_dev *);
extern int nvm_submit_io(struct nvm_tgt_dev *, struct nvm_rq *);
extern int nvm_erase_sync(struct nvm_tgt_dev *, struct ppa_addr *, int);
-extern int nvm_set_rqd_ppalist(struct nvm_tgt_dev *, struct nvm_rq *,
- const struct ppa_addr *, int);
-extern void nvm_free_rqd_ppalist(struct nvm_tgt_dev *, struct nvm_rq *);
extern int nvm_get_l2p_tbl(struct nvm_tgt_dev *, u64, u32, nvm_l2p_update_fn *,
void *);
extern int nvm_get_area(struct nvm_tgt_dev *, sector_t *, sector_t);
@@ -491,8 +486,6 @@ extern void nvm_end_io(struct nvm_rq *);
extern int nvm_bb_tbl_fold(struct nvm_dev *, u8 *, int);
extern int nvm_get_tgt_bb_tbl(struct nvm_tgt_dev *, struct ppa_addr, u8 *);
-extern int nvm_dev_factory(struct nvm_dev *, int flags);
-
extern void nvm_part_to_tgt(struct nvm_dev *, sector_t *, int);
#else /* CONFIG_NVM */
--
2.9.3
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